TWl Checking with M&C for updated 2018 information Wilhelm, - PowerPoint PPT Presentation

Slide 3 TWl Checking with M&C for updated 2018 information Wilhelm, Tyler, 1/10/2018

~ ~ Crowned Ridge, 34-Mile I ~=-.. 1 230 kV Transmission Line and Reactive ) - Milbank ~ Compensation Substation . - The Crowned Ridge 230kV transmission line application is part one of a four part process to complete the ~ · transmission line and wind farms associated with 600 I ;;::;;,J MWs of total wind generation t ~:/ _ r. .. The Crowned Ridge transmission line and reactive -- power compensation substation are necessary to successfully interconnect the two future wind farms to the grid NEER to permit; Shared ownership between NEER and NSP Watertown Legend PUC filing: December 5, 2017 .6, O"""""d R oOg Q Wr><J c: o.1 ~:o r Sut-i;t~ .:in l ~l)C)~edl & O o.,,~ di:l ,oct-W f\0 1:C olhtdo,Su:>$1 llll0!1 (~ 1 &, &1s!1ng ?01 S ~.11tan - Oo..nl!'<tR~W.na l• Tr3(lf,lnlM<OOL,,..e c=1 ~ow. ...._ ,, ~ c:J ooM>11c R'°' ew . noP ,~ 1>ooo uar~ (l'l'OPC>Gied ) Clear -.l!ake C] oo,;o&0Ro; e\M 1><11 , ~ Ot &aSa,lldll ry: pro~ J - La<'H:lPC11C8 I Ccrlraon,rg1: -, er.!F<lli>0'01~Ul101

~ Crowned Ridge II, 14-Mile ,. ·-- 230 kV Transmission Line .... - ~ \ » The Crowned Ridge 11 230kV transmission line l application is part two of the four part process i The Crowned Ridge II 230kV transmission line will » i connect the generation from the Crowned Ridge Wind 11 ... e wind farm to the Crowned Ridge Wind collector l substation where all 600 MWs are transported to the -- - transmission grid along the Crowned Ridge transmission line NEER to permit; » Ownership transferred to NSP upon commercial Walerfown l operations date : PUC filing : February/March 2018 >> .A Oowr>edR~W"'1COJMdorS~tsta1 1 0,,1p!QpCMld1 • OOM>tldR;Oee W. "ICll : Colle«crSo.t>lleban~I El1st1ngP01Subs1a~n - o~R~\Moo Tr a(STUS!!JO/lLN(subjedollNSapp11ea 1ion } - CIOMltdR~~ llll'l,ll!omUOII L Iiie' LJPra;<;,ctStu~Atw(1-md•J CJ O"o,,,fWldRC1g•IM.ndP1Qftd.BoUl'Klar'ltPIOPOH<l) c:) Ou.mecl~Wnd Ii PfQ6Ct~ { ~IOpOWdl - L•nd P;irce: CDntai~ ,:. . ~R85dor St.Ila,

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South Dakota ,CJ Game Producllon Areas South Dakota [3 1------1 Privale Lands Hunting Access Kilornf!lers SWC.fi... 5 10 ..... 25 1 16Norttl4lhS1 reel Sull.e200 R,,:;m;m:k N[') Sl\501 Phone 701 258 6622 Fax 701 258 5957 Projection: NAD 1!il83 UTM Zone 14N

Typical Structure Height Typical Foundation Structure Type Typical Application Structure Material Typical Span Length (feet) (feet) Diameter Per Pole (feet) Direct-Embedded Monopole Tangent, LightAngle Galvanized Tubular Steel 140 6-10 600- 1000 Guyed, Direct-Embedded 140 6-6 600- 1000 Angles and Deadends Galvanized Tubular Steel 2-Pole Self-Supporting 2-Pole 140 8 -12 600- 1000 Angles and Deadends Galvanized Tubular Steel

Transmission line description Monopole Tangent 2-Pole Guyed Running Angle Exhibit Exhibit .- -- ·-'"-' .-t1Tc,u.,,.,..., ~ ~RJgfttNEU. '"""""'"~"""'""""''""' ___ I._CII'!._ ... C,__OOK>C(""' ,,0,"' C -[<. O ,<nT~O- l(T